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Implantable Interspinous Process Distraction Device

California rates for HCPCS C1821

Interspinous process distraction device (implantable)

Rates data updated October 2026.

How much does Implantable Interspinous Process Distraction Device cost?

$39.81

Typical negotiated rate. In California, October 2026.

Insurers have agreed to pay about $39.81 for this service. Most negotiated rates run $39.81 to $2,138.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 4 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $2,138 · 10th to 90th $1,622 to $3,981Professionalmedian $40 · 10th to 90th $40 to $2,138
$50$100$200$500$1K$2K$5Kfacility $2,138professional $40

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$2,137.96
Median
$2,137.96
Typical High
$2,137.96
Aetna
Setting
Professional
Modifier
None
Typical Low
$2,137.96
Median
$2,137.96
Typical High
$2,137.96
Blue Shield
Setting
Professional
Modifier
None
Typical Low
$39.81
Median
$39.81
Typical High
$52.48
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$407.38
Median
$630.96
Typical High
$831.76
Providence
Setting
Facility
Modifier
None
Typical Low
$1,621.81
Median
$2,137.96
Typical High
$3,981.07
Providence
Setting
Professional
Modifier
None
Typical Low
$79.43
Median
$79.43
Typical High
$1,621.81

Where California sits

The same service costs 100.0 times more in Arizona than in California. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

California· 51st of 51

$39.81

AZ $3,981CA $39.81

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.